Looks kinda like a some bullpup they did a hollywood job on. Magazine looks consistent with a 5.56 or like round, top barrel the same, lower barrel looks like a shotgun, not grenade launcher, too small. Then what is this big metal hook thing on the bottom?

I think they all the gun you’re looking at a TAR 21. I’ve only ever seen airsoft versions, I think it’s a concept weapon. That would follow suit with alot of these video games snatching up concepts as actual field weapons because they’re “so cool!” There is a current percent of young airsofters who would pledge their first born to get a replica of a KRISS Vector because it was in COD or something. No amount of reason or experience can convince them that it isn’t end all weapon out there.

The quadrotor drone might not be a realistic proposition with current technology, but as motors get more powerful and batteries get smaller, the future is going to be very, very scary :-/

Governments already have few moral qualms using relatively clumsy Hellfires fired from drones and all the collateral damage that implies, imagine if they had access to a more discreet model that could put a couple of 22LR subsonics in the right place…